June 2014
Intermediate to advanced
696 pages
38h 52m
English
Content preview from Node.js, MongoDB, and AngularJS Web DevelopmentBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Implementing a GridStore Object from Node.js
The GridStore object acts as a representation of a binary file stored in the MongoDB GridFS. It provides the basic file interface to read and write files stored in GridFS. For example, you can stream reads and writes from GridFS, read chunks of a file without needing to read the entire file, etc. These are all things that you could do within Node.js, but without the added benefits that come with MongoDB, such as replication and high availability.
You can instantiate the GridStore object by calling the GridStore() constructor from an instance of the Db object. For example, the following code connects to MongoDB and creates a GridStore object attached to the fs collection:
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.